Instagram did it again - for the second (or third, depending on how you look at it) time in 2020, they broke the Appeal system. The short link you provided does not belong to a user. Please provide a valid User.
Instagram updated it's Appeal System for disabled account (July 2020) and things don't to seem to work out as planned. "Confirm your account to request a review" is plaguing users all over the world. Learn what you can do about it
Instagram is fighting harder against "Appeal Bots' and you could risk your account if you are not careful.
Bots, spammers and trolls - Whether it is a comment from a foreign account saying “very nice photo” for the 67th time or the ever-so-popular, non-convincing sales pitch of “Good content! DM me personally, let’s talk”, bots seem to be taking over Instagram.
Learn How you can can enable/re-enable your temporarily disabled Instagram account after you have disabled it yourself. It's fast and easy!